Category:
Research Papers
Sub-Category:
Mechanics / Electrodynamics
Date Published:
April 8, 2024
Keywords:
Magnus effect; electromagnetic induction; magnetic flux density; Precession of electrons
Abstract:
The lines of magnetic force in the center of a bar magnet are almost parallel.
When a circular coil is brought close to this position, the outermost shell electrons of the copper atoms in the coil are presumed to align in the same direction along the magnetic field lines. When I measured the electromotive force by changing the angle of entry of a circular coil into the center of the bar magnet every 15 degrees, I found that the electromotive force was distributed on the graph of sinθ. On the other hand, when I investigated the Magnus effect by sending air to the center of a rotating sphere using a blower at different angles of 15 degrees, I found that the Magnus effect is distributed on the graph of sinθ. I considered whether there is a relationship between these two experimental results. I thought it would be unreasonable to compare macro and micro phenomena, but as I continued to think about it, I realized something interesting. Modern physics does not consider the spin of an electron to be rotation. However, research by Dr. Yoshida's group at the University of Tsukuba, published in Nature Nanotechnology in 2014, discovered that electrons in a magnetic field precess. Precession means that each point of the electron moves in a circular motion. It seems possible that an electromotive force is generated due to the interaction between this circular motion and magnetic flux density.
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